8147340 has 36 divisors (see below), whose sum is σ = 24714144. Its totient is φ = 2172576.

The previous prime is 8147323. The next prime is 8147341. The reversal of 8147340 is 437418.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (8147341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22452 + ... + 22811.

It is an arithmetic number, because the mean of its divisors is an integer number (686504).

Almost surely, 2^8147340 is an apocalyptic number.

It is an amenable number.

8147340 is an abundant number, since it is smaller than the sum of its proper divisors (16566804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8147340 is a wasteful number, since it uses less digits than its factorization.

8147340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45278 (or 45273 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 8147340 is about 2854.3545680241. The cubic root of 8147340 is about 201.2203716526.

The spelling of 8147340 in words is "eight million, one hundred forty-seven thousand, three hundred forty".